2.1 Overview of the Proposed Project - Keystone XL pipeline - US ...
2.1 Overview of the Proposed Project - Keystone XL pipeline - US ...
2.1 Overview of the Proposed Project - Keystone XL pipeline - US ...
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Draft Supplemental Environmental Impact Statement<strong>Keystone</strong> <strong>XL</strong> <strong>Project</strong>improve moisture retention, and create micro-sites for seed germination. <strong>Keystone</strong> would workwith landowners to evaluate fencing <strong>the</strong> ROW from livestock, or alternatively, to providecompensation if a pasture needs to be rested until vegetation can become established.<strong>2.1</strong>.8.5 RippingIn areas where bedrock is within 84 inches (7 feet) <strong>of</strong> <strong>the</strong> surface and is expected to be dense orhighly stratified, ripping could be required. Ripping would involve tearing up <strong>the</strong> rock withmechanical excavators. During ripping, <strong>Keystone</strong> would take extreme care to avoid damage tounderground structures, cables, conduits, <strong>pipeline</strong>s, and underground watercourses.<strong>Keystone</strong> anticipates that blasting would not be required. If blasting is necessary, <strong>Keystone</strong>would prepare and file a blasting plan with <strong>the</strong> appropriate agencies.<strong>2.1</strong>.8.6 Construction near Structures<strong>Keystone</strong> would prepare site-specific construction plans to address <strong>the</strong> potential impacts <strong>of</strong>construction on residential and commercial structures near <strong>the</strong> construction ROW. Areascontaining buildings within 25 feet and 500 feet <strong>of</strong> <strong>the</strong> construction ROW are listed in Table <strong>2.1</strong>16. Information on <strong>the</strong> types <strong>of</strong> structures present is provided in Section 3.9 (Land Use,Recreation, and Visual Resources). Additional construction and environmental protectionmeasures for structures near <strong>the</strong> construction ROW are described in <strong>the</strong> CMRP (Appendix G).Table <strong>2.1</strong>-16StateMontanaSouth DakotaNebraskaStructures Located Within 25 Feet and 500 Feet <strong>of</strong> <strong>the</strong> Construction ROWCountyStructures Within 25 Feet <strong>of</strong>Construction ROW (Number)Structures Within 500 Feet <strong>of</strong>Construction ROW (Number)Phillips 0 9Valley 2 38McCone 2 21Dawson 3 21Prairie 0 3Fallon 2 25Harding 3 19Butte 0 0Perkins 1 3Meade 2 22Pennington 0 0Haakon 4 26Jones 0 3Lyman 1 9Tripp 4 14Keya Paha 0 1Boyd 0 0Holt 0 23Antelope 3 53<strong>Project</strong> Description <strong>2.1</strong>-54 March 2013